<template>
  <!-- 添加或修改菜单对话框 -->
  <el-dialog :title="!form.menuId ? '新增': '修改'"
             :visible.sync="visible"
             :close-on-click-modal="false"
             append-to-body>
    <el-form ref="dataForm"
             :model="form"
             :rules="rules"
             label-width="80px">
      <el-row>
        <el-col :span="12">
          <el-form-item label="菜单类型"
                        prop="type">
            <el-radio-group v-model="form.type"
                            size="small">
              <el-radio-button label="0">左菜单</el-radio-button>
              <el-radio-button label="1">按钮</el-radio-button>
              <el-radio-button label="2">顶菜单</el-radio-button>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="上级菜单">
            <treeselect v-model="form.parentId"
                        :options="menuOptions"
                        :normalizer="normalizer"
                        :show-count="true"
                        placeholder="选择上级菜单" />
          </el-form-item>
        </el-col>
      </el-row>
      <el-form-item label="图标"
                    prop="icon"
                    v-if="form.type !== '1'">
        <avue-input-icon v-model="form.icon"
                         :icon-list="iconList"></avue-input-icon>
      </el-form-item>
      <el-form-item label="名称"
                    prop="name">
        <el-input v-model="form.name"
                  placeholder="请输入菜单名称" />
      </el-form-item>
      <el-form-item label="路由地址"
                    prop="path"
                    v-if="form.type !== '1'">
        <el-input v-model="form.path"
                  placeholder="请输入路由地址" />
      </el-form-item>
      <el-form-item label="权限标识"
                    prop="permission"
                    v-if="form.type === '1'">
        <el-input v-model="form.permission"
                  placeholder="请权限标识"
                  maxlength="50" />
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item label="排序"
                        prop="sort">
            <el-input-number v-model="form.sort"
                             controls-position="right"
                             :min="0" />
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="路由缓冲"
                        prop="keepAlive"
                        v-if="form.type !== '1'">
            <el-radio-group v-model="form.keepAlive">
              <el-radio-button label="0">否</el-radio-button>
              <el-radio-button label="1">是</el-radio-button>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <div slot="footer"
         class="dialog-footer">
      <el-button type="primary"
                 @click="dataFormSubmit">确 定</el-button>
      <el-button @click="visible = false">取 消</el-button>
    </div>
  </el-dialog>
</template>

<script>
import { addObj, fetchMenuTree, getObj, putObj } from '@/api/admin/menu'
import Treeselect from "@riophae/vue-treeselect"
import iconList from '@/const/iconList'
import TableForm from './'
import "@riophae/vue-treeselect/dist/vue-treeselect.css"

export default {
  name: "Menu",
  props: {
    clientId: {
      type: String
    }
  },
  components: { Treeselect, TableForm },
  data () {
    return {
      // 遮罩层
      loading: true,
      // 菜单树选项
      menuOptions: [],
      // 是否显示弹出层
      visible: false,
      // 图标
      iconList: iconList,
      form: {
        menuId: undefined,
        name: undefined,
        path: undefined,
        icon: undefined,
        permission: undefined,
        type: '0',
        keepAlive: '0',
        sort: 999
      },
      // 表单校验
      rules: {
        name: [
          { required: true, message: "菜单名称不能为空", trigger: "blur" }
        ],
        sort: [
          { required: true, message: "菜单顺序不能为空", trigger: "blur" }
        ],
        path: [
          { required: true, message: "路由地址不能为空", trigger: "blur" }
        ],
        keepAlive: [
          { required: true, message: "路由缓冲不能为空", trigger: "blur" }
        ],
        permission: [
          { required: true, message: "权限标识不能为空", trigger: "blur" }
        ]
      }
    };
  },
  methods: {
    init (isEdit, id) {
      if (id != null) {
        this.form.parentId = id;
      }
      this.visible = true
      this.getTreeselect();
      this.$nextTick(() => {
        this.$refs['dataForm'].resetFields()
        if (isEdit) {
          getObj(id).then(response => {
            this.form = response.data.data
          })
        } else {
          this.form.menuId = undefined
        }
      })
    },
    // 表单提交
    dataFormSubmit () {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          if (this.form.parentId === undefined) {
            this.form.parentId = -1
          }

          if (this.form.menuId) {
            putObj(this.form).then(resp => {
              this.$message.success(resp.data.message)
              this.visible = false
              this.$emit('refreshDataList')
            });
          } else {
            this.form.clientId = this.clientId
            addObj(this.form).then(resp => {
              this.$message.success(resp.data.message)
              this.visible = false
              this.$emit('refreshDataList')
            })
          }
        }
      })
    },
    /** 查询菜单下拉树结构 */
    getTreeselect () {
      fetchMenuTree(this.clientId).then(response => {
        this.menuOptions = [];
        const menu = { id: -1, name: '根菜单', children: [] };
        menu.children = response.data.data || [];
        this.menuOptions.push(menu);
      });
    },
    /** 转换菜单数据结构 */
    normalizer (node) {
      if (node.children == null || node.children.length == 0) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children
      };
    }
  }
};
</script>
